Home / 133,013.88-183,556.71-72,582.98

Finding the Fourth Proportional to 133,013.88, 183,556.71 and 72,582.98

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Solution

The fourth proportional to 133,013.88, 183,556.71 and 72,582.98 is: 100,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.88 : 183,556.71 = 72,582.98 : x
  2. Step 2: Convert to fraction form
    133,013.88/183,556.71 = 72,582.98/x
  3. Step 3: Cross multiply
    133,013.88x = 183,556.71 × 72,582.98
  4. Step 4: Simplify right side
    133,013.88x = 13,323,092,093.01
  5. Step 5: Solve for x
    x = 13,323,092,093.01/133,013.88
  6. Step 6: Final answer
    x = 100,163.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.